| king for a day vs Miary Zo | 6–7 | 46.15% |
| king for a day vs Jin | 5–6 | 45.45% |
| king for a day vs Steve | 8–3 | 72.73% |
| king for a day vs Bryan | 2–6 | 25.00% |
| king for a day vs Jun | 6–2 | 75.00% |
| king for a day vs King | 6–1 | 85.71% |
| king for a day vs Heihachi | 5–2 | 71.43% |
| king for a day vs Victor | 4–2 | 66.67% |
| king for a day vs Eddy | 3–3 | 50.00% |
| king for a day vs Fahkumram | 1–5 | 16.67% |
| king for a day vs Law | 2–3 | 40.00% |
| king for a day vs Yoshimitsu | 2–3 | 40.00% |
| king for a day vs Hwoarang | 3–2 | 60.00% |
| king for a day vs Kazuya | 1–4 | 20.00% |
| king for a day vs Dragunov | 2–3 | 40.00% |
| king for a day vs Nina | 4–1 | 80.00% |
| king for a day vs Claudio | 2–2 | 50.00% |
| king for a day vs Reina | 3–1 | 75.00% |
| king for a day vs Armor King | 3–1 | 75.00% |
| king for a day vs Xiaoyu | 1–2 | 33.33% |
| king for a day vs Jack-8 | 1–2 | 33.33% |
| king for a day vs Devil Jin | 0–3 | 0.00% |
| king for a day vs Lili | 3–0 | 100.00% |
| king for a day vs Lidia | 0–3 | 0.00% |
| king for a day vs Asuka | 1–1 | 50.00% |
| king for a day vs Feng | 2–0 | 100.00% |
| king for a day vs Lars | 0–2 | 0.00% |
| king for a day vs Leroy | 2–0 | 100.00% |
| king for a day vs Raven | 2–0 | 100.00% |
| king for a day vs Alisa | 1–0 | 100.00% |
| king for a day vs Lee | 0–1 | 0.00% |
| king for a day vs Azucena | 0–1 | 0.00% |
| king for a day vs Clive | 0–1 | 0.00% |
Limitations
This data is often requested to give insight into which characters you have more trouble with than others, but it is not particularly helpful for that. The main issue is that it is heavily skewed by how strong the opponents you play are.
For example, this data suggests my worst matchup is clearly vs Reina, but that's just because most of those games are vs Yagami.
There is a way to account for this being worked on. The central idea is to assign each matchup a rating vs you which adjusts based on the result, much like the regular rating but also based on the rating of each player. With this, it would give a better summary of how well you perform vs each character.
In the meantime, this page is here to present the data as requested.